F03B 3/10

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9797366 Pumped-storage power plantNov 12, 12Oct 24, 17Roentdek-Handels, ROENTDEK-HANDELS GMBH,
9677535 Pump turbine plantMay 11, 12Jun 13, 17VOITH PATENT GMBH
9617969 Hydraulic energy storeFeb 27, 12Apr 11, 17UNIVERSITÄT INNSBRUCK, UNIVERSITY OF INNSBRUCK,
9546639 Hydraulic device of reversible type for the conversion of energyApr 13, 12Jan 17, 17Not available
9494127 Pumped storage power plantAug 15, 14Nov 15, 16HITACHI MITSUBISHI HYDRO CORPORATION
9145865 Electric fluid pumpJun 29, 12Sep 29, 15GENERAL ELECTRIC COMPANY
8894366 Francis-type hydraulic turbine wheel equipped with a tip-forming member, and method of reducing fluctuations using such a wheelMar 04, 09Nov 25, 14ALSTOM RENEWABLE TECHNOLOGIES
6846154 Pump turbineMar 15, 02Jan 25, 05HITACHI, LTD.
6023134 Power conversion system for bi-directional conversion between hydraulic power and electrical powerOct 27, 97Feb 08, 00DAIMLERCHRYSLER AEROSPACE AIRBUS GMBH
4756663 Method for operating pumpsDec 29, 80Jul 12, 88Tokyo Shibaura Denki Kabushiki Kaisha
4502835 Multistage hydraulic machineSep 10, 82Mar 05, 85Tokyo Shibaura Denki Kabushiki Kaisha
4468167 Method of operating water-turbine or pump water-turbineNov 10, 81Aug 28, 84HITACHI, LTD.
4447739 Rotor withdrawal arrangement for bulb generatorsApr 27, 82May 08, 84Canadian General Electric Company Limited
4430574 Method for switching operation of water wheel or pump water wheelAug 31, 81Feb 07, 84HITACHI, LTD.
4406577 Multi-stage hydraulic machine and a method of operating sameOct 22, 80Sep 27, 83Tokyo Shibaura Denki Kabushiki Kaisha
4406578 Method for operating pumpsDec 29, 80Sep 27, 83Tokyo Shibaura Denki Kabushiki Kaisha
4382745 Method of controlling wicket gates of a pump-turbineSep 02, 80May 10, 83HITACHI, LTD.
4363597 Method for operating pumpsDec 05, 80Dec 14, 82Tokyo Shibaura Denki Kabushiki Kaisha
4321009 Runner liner of fluid machine and method of fixing the sameNov 07, 78Mar 23, 82HITACHI, LTD.
4318004 Method of pumping up electric power generation and an apparatus thereforApr 20, 79Mar 02, 82Tokyo Shibaura Denki Kabushiki Kaisha

Showing 1 to 20 of 21 results